KR102153301B1 - 고효율 레이저 변조 - Google Patents

고효율 레이저 변조 Download PDF

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Publication number
KR102153301B1
KR102153301B1 KR1020157031508A KR20157031508A KR102153301B1 KR 102153301 B1 KR102153301 B1 KR 102153301B1 KR 1020157031508 A KR1020157031508 A KR 1020157031508A KR 20157031508 A KR20157031508 A KR 20157031508A KR 102153301 B1 KR102153301 B1 KR 102153301B1
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KR
South Korea
Prior art keywords
amplitude
period
pixel
optical power
dac
Prior art date
Application number
KR1020157031508A
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English (en)
Korean (ko)
Other versions
KR20160003690A (ko
Inventor
스캇 월트만
로버트 제임스 잭슨
크리스토퍼 브라이언 앳킨스
Original Assignee
마이크로비젼, 인코퍼레이티드
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 마이크로비젼, 인코퍼레이티드 filed Critical 마이크로비젼, 인코퍼레이티드
Publication of KR20160003690A publication Critical patent/KR20160003690A/ko
Application granted granted Critical
Publication of KR102153301B1 publication Critical patent/KR102153301B1/ko

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • H04N9/3135—Driving therefor
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
    • H04N9/3132—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen using one-dimensional electronic spatial light modulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H01S5/0427—Electrical excitation ; Circuits therefor for applying modulation to the laser

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Projection Apparatus (AREA)
  • Semiconductor Lasers (AREA)
  • General Physics & Mathematics (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
KR1020157031508A 2013-05-02 2014-04-01 고효율 레이저 변조 KR102153301B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/875,821 US9167217B2 (en) 2013-05-02 2013-05-02 High efficiency laser modulation
US13/875,821 2013-05-02
PCT/US2014/032536 WO2014178978A1 (en) 2013-05-02 2014-04-01 High efficiency laser modulation

Publications (2)

Publication Number Publication Date
KR20160003690A KR20160003690A (ko) 2016-01-11
KR102153301B1 true KR102153301B1 (ko) 2020-09-09

Family

ID=51841273

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020157031508A KR102153301B1 (ko) 2013-05-02 2014-04-01 고효율 레이저 변조

Country Status (6)

Country Link
US (1) US9167217B2 (de)
EP (1) EP2992380B1 (de)
JP (2) JP2016526177A (de)
KR (1) KR102153301B1 (de)
CN (1) CN105164569B (de)
WO (1) WO2014178978A1 (de)

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WO2015186225A1 (ja) * 2014-06-05 2015-12-10 株式会社ニコン 走査型投影装置、投影方法、及び手術支援システム
US9654747B2 (en) 2015-04-13 2017-05-16 Intersil Americas LLC Scanning projectors that use multiple pulses per pixel period to reduce color shifts, and methods and controllers for use therewith
US9503701B2 (en) 2015-04-13 2016-11-22 Intersil Americas LLC Scanning projectors that use guard bands to reduce color shifts, and methods and controllers for use therewith
US9560328B1 (en) * 2015-10-06 2017-01-31 Microvision, Inc. Scanned beam projector pulsed laser control
US10474296B1 (en) * 2018-07-12 2019-11-12 Microvision, Inc. Laser scanning devices and methods with touch detection
WO2020248576A1 (zh) * 2019-06-13 2020-12-17 海信视像科技股份有限公司 激光器驱动电路、激光器显示设备及激光器驱动方法
CN110446019B (zh) * 2019-07-17 2022-02-01 成都理想境界科技有限公司 一种光纤扫描投影系统及其调制方法
CN110596895B (zh) * 2019-08-09 2021-10-29 成都理想境界科技有限公司 一种近眼显示装置及投影反馈方法
WO2021214745A1 (en) * 2020-04-20 2021-10-28 Lumus Ltd. Near-eye display with enhanced laser efficiency and eye safety

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05176145A (ja) * 1991-02-14 1993-07-13 Ricoh Co Ltd 画像記録装置
US5414521A (en) * 1991-09-12 1995-05-09 Ansley; David A. Dynamic distortion correction apparatus and method
JPH06302885A (ja) * 1993-04-16 1994-10-28 Fuji Xerox Co Ltd 半導体レーザ駆動回路
US6924476B2 (en) 2002-11-25 2005-08-02 Microvision, Inc. Resonant beam scanner with raster pinch compensation
JP2002304147A (ja) * 2001-04-06 2002-10-18 Sharp Corp 画像表示装置の駆動方法、画像表示装置の駆動装置、および画像表示装置
US7061951B2 (en) * 2002-12-20 2006-06-13 Elantec Semiconductor, Inc. Systems and methods for automatic power control of laser diodes
JP4407179B2 (ja) 2003-07-09 2010-02-03 ソニー株式会社 レーザディスプレイ装置
JP4496812B2 (ja) * 2004-03-18 2010-07-07 東芝ライテック株式会社 Ｌｅｄ式照明装置
JP4367318B2 (ja) * 2004-11-08 2009-11-18 セイコーエプソン株式会社 光源制御装置、光源制御方法及び画像表示装置
US20060140233A1 (en) * 2004-12-28 2006-06-29 Jesse Chin Laser driver with integrated bond options for selectable currents
JP2008139700A (ja) * 2006-12-04 2008-06-19 Ricoh Co Ltd 画像表示装置
JP2009075508A (ja) 2007-09-25 2009-04-09 Seiko Epson Corp 駆動方法及び駆動回路、並びに電気光学装置及び電子機器
KR101214735B1 (ko) * 2008-01-08 2012-12-21 오스람 아게 적어도 하나의 광빔 투사방법 및 적어도 하나의 광빔 투사장치
JP5181860B2 (ja) * 2008-06-17 2013-04-10 セイコーエプソン株式会社 パルス幅変調信号生成装置およびそれを備えた画像表示装置、並びにパルス幅変調信号生成方法
WO2010021215A1 (ja) * 2008-08-18 2010-02-25 コニカミノルタオプト株式会社 画像投影装置
US20100182668A1 (en) 2009-01-16 2010-07-22 Sanyo Electric Co., Ltd. Projection Image Display Apparatus
JP2010250208A (ja) * 2009-04-20 2010-11-04 Funai Electric Co Ltd 画像表示装置および画像表示装置の制御方法
US8248541B2 (en) * 2009-07-02 2012-08-21 Microvision, Inc. Phased locked resonant scanning display projection
US8111336B2 (en) * 2009-07-17 2012-02-07 Microvision, Inc. Correcting scanned projector distortion by varying the scan amplitude
KR101666898B1 (ko) * 2010-01-28 2016-10-17 엘지전자 주식회사 레이저 디스플레이 시스템의 스펙클 저감장치 및 방법
US8511838B2 (en) * 2011-06-29 2013-08-20 Microvision, Inc. Scanning laser projector with safety system
US8717342B2 (en) 2011-08-31 2014-05-06 Microvision, Inc. Sinusoidal laser scanner with optical filter

Also Published As

Publication number Publication date
JP2019003214A (ja) 2019-01-10
US20140327835A1 (en) 2014-11-06
EP2992380A1 (de) 2016-03-09
CN105164569B (zh) 2018-01-09
US9167217B2 (en) 2015-10-20
WO2014178978A1 (en) 2014-11-06
CN105164569A (zh) 2015-12-16
EP2992380B1 (de) 2020-06-24
JP2016526177A (ja) 2016-09-01
KR20160003690A (ko) 2016-01-11
JP6742379B2 (ja) 2020-08-19
EP2992380A4 (de) 2016-05-18

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